I do not know if this is possible or not but to some people it is pretty useless, but to others it could be useful. It is called a block count. It is similar to /entcount but it would be /blockcount. You go onto a residence and say /blockcount and it gives you a list of all the blocks ( dirt/grass, Iron blocks, gold blocks ) are on your residence. This could be used for Grief parties to tell people the amazing loot or to find out about them. It could also be used to see how many diamond shovels you need to dig out a residence ( if it already some-what dug out ). One problem I do see is that they would have to code it to see every single block and if people do /blockcount on megashops it may lag up or spam their chat. Opinions anyone?